A61N5/1083

Method for operating a medical radiation therapy arrangement, and medical radiation therapy arrangement
20230364445 · 2023-11-16 ·

A method for operating a medical radiation therapy arrangement is disclosed, wherein a wound cavity in the patient from which a tumor has been surgically removed is measured three-dimensionally in a reference coordinate system via a surgical microscope of the medical radiation therapy arrangement and/or via a probe-based registration device of the medical radiation therapy arrangement, wherein an x-ray applicator of an intraoperative radiation therapy device of the medical radiation therapy arrangement is selected and/or arranged in the wound cavity on the basis of three-dimensional measurement data generated during the measurement, with the x-ray applicator being navigable in the reference coordinate system. Furthermore, the disclosure relates to a medical radiation therapy arrangement.

NEUTRON-CAPTURE THERAPY SYSTEM
20230372740 · 2023-11-23 ·

A neutron-capture therapy system includes a charged particle beam generation unit, a beam transmission unit and a neutron beam generation unit. The charged particle beam generation unit includes an ion source and an accelerator. The accelerator accelerates charged particles generated by the ion source, so as to obtain a charged particle beam of the required energy. The neutron beam generation unit includes a target, a beam shaping body and a collimator. The charged particle beam irradiates onto the target through the beam transmission unit to generate neutrons, which sequentially pass through the beam shaping body and the collimator to form a neutron beam for therapy. The neutron-capture therapy system is accommodated in a concrete building including an irradiation room, an accelerator chamber and a beam transmission chamber. The neutron beam generation unit is at least partially accommodated in a partition wall of the irradiation chamber and the beam transmission chamber.

Compensating for target rotation with a collimation system
11712586 · 2023-08-01 · ·

A method includes detecting a potential setup error in a radiation treatment delivery session of a radiation treatment delivery system, wherein the setup error corresponds to a change in a current position of a treatment target relative to a prior position of the treatment target, and wherein the change includes a rotation relative to the prior position of the treatment target. The method further includes modifying, by a processing device, one or more planned leaf positions of a multileaf collimator (MLC) of a linear accelerator (LINAC) of the radiation treatment delivery system to compensate for the potential setup error corresponding to the rotation of the prior position of the treatment target.

Utilizing an offset multi-leaf collimator to improve dose conformality and homogeneity

A radiation delivery system includes a radiation source to generate a radiation beam to deliver to a target and a multi-leaf collimator (MLC) operatively coupled to the radiation source, wherein the MLC is offset to shift the MLC in a direction relative to a line from the radiation source to a point of interest to cause projections of the radiation beam to be shifted based on the offset.

IMAGING AND TREATMENT BEAM ENERGY MODULATION UTILIZING AN ENERGY ADJUSTER
20230012654 · 2023-01-19 ·

Electromagnetic waves for an accelerating structure of the radiation delivery system are generated by a microwave source. The electromagnetic waves generated by the microwave source are adjusted by an energy adjuster to an imaging energy level. A kilovolt (kV) imaging beam is generated by the accelerating structure based on the imaging energy level. The electromagnetic waves generated by the magnetic source are adjusted by the energy adjuster to a treatment energy level. A megavolt (MV) treatment beam is generated by the accelerating structure based on the treatment energy level.

RADIATION IRRADIATION SYSTEM
20220296931 · 2022-09-22 ·

A radiation irradiation system including a radiation generating device and a carrying table, a beam generated by the radiation generating device irradiates an irradiated object on the carrying table, the radiation irradiation system further includes a carrying table positioning device, the carrying table is supported by the carrying table positioning device, the carrying table positioning device includes a positioning mechanism, the positioning mechanism includes a linear axis, the carrying table positioning device may horizontally move along the linear axis, and an extending direction of the linear axis is parallel to an irradiation direction of beams generated by the radiation generating device. In the positioning process of the carrying table, most of the carrying table positioning device is located in the space between the linear axis and the beam outlet, the radioactivity and life-span shortening caused by the radiation of the various components of the carrying table positioning device are reduced.

ONLINE ANGLE SELECTION IN ROTATIONAL IMAGING AND TRACKING SYSTEMS

A method of operating a radiation apparatus is described. The method includes selecting at least a first angle and a second angle from a set of angles for a first rotation of a gantry of a radiation apparatus. The method also includes generating, using an imaging device mounted to the gantry, a first tracking image of a target from the first angle during the first rotation of the gantry. The method further includes generating, using the imaging device, a second tracking image of the target from the second angle during the first rotation of the gantry.

Non-invasive imaging and treatment system for cardiac arrhythmias

Disclosed are systems and methods for the treatment of cardiac arrhythmias.

Coordinated motion of a rotating 2D x-ray imager and a linear accelerator

A method of and apparatus for operating a radiation treatment delivery system. The method includes generating, by a processing device, a set of instructions for a volumetric imager based on a set of directionalities for a radiation beam of a linear accelerator (LINAC) to avoid a collision between the volumetric imager and the LINAC, wherein the set of instructions comprises physical locations of the volumetric imager and timing values corresponding to the physical locations. The method further includes operating the volumetric imager during the radiation treatment delivery according to the set of instructions.

PATIENT SHUTTLE SYSTEM AND IRRADIATION SYSTEM FOR PARTICLE THERAPY

The invention provides a patient shuttle system and an irradiation system for particle therapy. A patient shuttle system of one embodiment of the invention includes: a patient table (110) adapted to carry a patient; a patient table drive unit (120) that moves and/or rotates the patient table; and a transfer unit (130) having a base (131) on which the patient table drive unit is placed. In a home position state of the patient shuttle system (100), the patient table and first and second arms of the patient table drive unit are configured to be folded in the height direction (Z-axis). A robot arm base connected to the second arm is fixed at a position off the center of the base in plan view, and thereby a helper space (135) where a helper may ride is secured on the base. The robot arm base is fixed in a recess (138) provided in the base.